Search results: 295 results for “NH2”

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P/N: 00527-20011
Regular price $190.00 USD
Sale price $190.00 USD
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Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
P/N: 00808-03303
Regular price $100.00 USD
Sale price $100.00 USD
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Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00509-11018
Regular price $267.00 USD
Sale price $267.00 USD
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Welchrom series packing includes polymer-based packing materials, silica based packing materials, and inorganic sorbent. It can be used in SPE cartridge, QuEChERS method and Flash cartridges. The s...
P/N: 00527-20072
Regular price $140.00 USD
Sale price $140.00 USD
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Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
P/N: 00527-20091
Regular price $220.00 USD
Sale price $220.00 USD
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Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
P/N: 00527-20148
Regular price $190.00 USD
Sale price $190.00 USD
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Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
P/N: 00527-20151
Regular price $100.00 USD
Sale price $100.00 USD
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Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
P/N: 00005-03027
Regular price $46.00 USD
Sale price $46.00 USD
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In the process of preparative chromatographic separation, columns with highly efficient separation characteristics and stable performance play a crucial role in establishing reliable separation and...
P/N: 00430-02043
Regular price $470.00 USD
Sale price $470.00 USD
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Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
P/N: 00527-20152
Regular price $130.00 USD
Sale price $130.00 USD
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Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...